305506500396 has 12 divisors (see below), whose sum is σ = 712848500952. Its totient is φ = 101835500128.

The previous prime is 305506500379. The next prime is 305506500469. The reversal of 305506500396 is 693005605503.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×305506500396² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12729437505 + ... + 12729437528.

It is an arithmetic number, because the mean of its divisors is an integer number (59404041746).

Almost surely, 2^305506500396 is an apocalyptic number.

It is an amenable number.

305506500396 is an abundant number, since it is smaller than the sum of its proper divisors (407342000556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

305506500396 is a wasteful number, since it uses less digits than its factorization.

305506500396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25458875040 (or 25458875038 counting only the distinct ones).

The product of its (nonzero) digits is 364500, while the sum is 42.

The spelling of 305506500396 in words is "three hundred five billion, five hundred six million, five hundred thousand, three hundred ninety-six".